import argparse
import glob
import sys
import os
import re
import hashlib
from pathlib import Path
MAX_DIFF_FRAMES = 9999
SCRIPTDIR = os.path.abspath(os.path.dirname(__file__))
CSS_PATH = Path(os.path.join(SCRIPTDIR, "comparer.css")).as_uri()
JS_PATH = Path(os.path.join(SCRIPTDIR, "comparer.js")).as_uri()
FILE_HEADER = """
<!DOCTYPE html>
<html>
<head>
<title>Comparison</title>
""" + f"<link rel=\"stylesheet\" href=\"{CSS_PATH}\" />" + """
</head>
<body>
"""
FILE_FOOTER = """
<div id="myModal" class="modal" tabindex="0">
<span class="close cursor" onclick="closeModal()">×</span>
<div class="modal-content">
<div id="compareTitle"></div>
<img id="compareImage" />
<div id="compareState"></div>
<a class="prev">❮</a>
<a class="next">❯</a>
<div id="compareCaption"></div>
</div>
</div>
""" + f"<script src=\"{JS_PATH}\"></script>\n" + """
</body>
</html>
"""
outfile = None
def write(line):
outfile.write(line + "\n")
def compare_frames(path1, path2):
try:
with open(path1, "rb") as f:
hash1 = hashlib.md5(f.read()).digest()
with open(path2, "rb") as f:
hash2 = hashlib.md5(f.read()).digest()
return hash1 == hash2
except (FileNotFoundError, IOError):
return False
def extract_stats(file):
stats = {}
try:
with open(file, "r", errors="ignore") as f:
for line in f.readlines():
m = re.match(".*@HWSTAT@ ([^:]+): (.*) \(avg ([^)]+)\)$", line)
if m is None:
continue
stats[m[1]] = int(m[3])
except FileNotFoundError:
pass
except IOError:
pass
return stats
def compare_stats(baselinedir, testdir):
stats1 = extract_stats(os.path.join(baselinedir, "emulog.txt"))
stats2 = extract_stats(os.path.join(testdir, "emulog.txt"))
res = []
for statname in stats1.keys():
if statname not in stats2 or stats1[statname] == stats2[statname]:
continue
v2 = stats2[statname]
v1 = stats1[statname]
delta = v2 - v1
res.append("%s: %s%d [%d=>%d]" % (statname, "+" if delta > 0 else "", delta, v1, v2))
return res
def check_regression_test(baselinedir, testdir, name):
#print("Checking '%s'..." % name)
dir1 = os.path.join(baselinedir, name)
dir2 = os.path.join(testdir, name)
if not os.path.isdir(dir2):
#print("*** %s is missing in test set" % name)
return False
images = glob.glob(os.path.join(glob.escape(dir1), "*_frame*.png"))
diff_frames = []
first_fail = True
stats = compare_stats(dir1, dir2)
for imagepath in images:
imagename = Path(imagepath).name
matches = re.match(".*_frame([0-9]+).png", imagename)
if matches is None:
continue
framenum = int(matches[1])
path1 = os.path.join(dir1, imagename)
path2 = os.path.join(dir2, imagename)
if not os.path.isfile(path2):
print("--- Frame %u for %s is missing in test set" % (framenum, name))
write("<h1>{}</h1>".format(name))
write("--- Frame %u for %s is missing in test set" % (framenum, name))
return False
if not compare_frames(path1, path2):
diff_frames.append(framenum)
if first_fail:
write("<div class=\"item\">")
write("<h1>{}</h1>".format(name))
write("<table width=\"100%\">")
first_fail = False
imguri1 = Path(path1).as_uri()
imguri2 = Path(path2).as_uri()
write("<tr><td colspan=\"2\">Frame %d</td></tr>" % (framenum))
write("<tr><td><img class=\"before\" src=\"%s\" /></td><td><img class=\"after\" src=\"%s\" /></td></tr>" % (imguri1, imguri2))
if len(diff_frames) == MAX_DIFF_FRAMES:
break
if len(diff_frames) > 0:
write("</table>")
write("<pre>Difference in frames [%s] for %s%s%s</pre>" % (",".join(map(str, diff_frames)), name, "\n" if len(stats) > 0 else "", "\n".join(stats)))
write("</div>")
print("*** Difference in frames [%s] for %s" % (",".join(map(str, diff_frames)), name))
if len(stats) > 0:
print(stats)
elif len(stats) > 0:
write("<h1>{}</h1>".format(name))
write("<pre>%s</pre>" % "\n".join(stats))
print(name, stats)
return len(diff_frames) == 0
def check_regression_tests(baselinedir, testdir):
gamedirs = glob.glob(baselinedir + "/*", recursive=False)
success = 0
failure = 0
for gamedir in gamedirs:
name = Path(gamedir).name
if check_regression_test(baselinedir, testdir, name):
success += 1
else:
failure += 1
print("%d dumps unchanged" % success)
print("%d dumps changed" % failure)
return (failure == 0)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Check frame dump images for regression tests")
parser.add_argument("-baselinedir", action="store", required=True, help="Directory containing baseline frames to check against")
parser.add_argument("-testdir", action="store", required=True, help="Directory containing frames to check")
parser.add_argument("-maxframes", type=int, action="store", required=False, default=9999, help="Max frames to compare")
parser.add_argument("outfile", action="store", help="The file to write the output to")
args = parser.parse_args()
MAX_DIFF_FRAMES = args.maxframes
outfile = open(args.outfile, "w")
write(FILE_HEADER)
if not check_regression_tests(os.path.realpath(args.baselinedir), os.path.realpath(args.testdir)):
write(FILE_FOOTER)
outfile.close()
sys.exit(1)
else:
outfile.close()
os.remove(args.outfile)
sys.exit(0)